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%I
%S 1,3,13,41,141,440,1391,4244,12913,38651,115082,339646,997709,2915010,
%T 8485573,24612666,71191458,205393819,591330506,1699226719
%N Number of separated bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).
%D Camden A. Parks and James B. Hendrickson, Enumeration of monocyclic and bicyclic carbon skeletons, J. Chem. Inf. Comput. Sci., vol. 31, 334-339 (1991).
%K nonn
%O 6,2
%A _Parthasarathy Nambi_, Aug 13 2006
%E More terms from _N. J. A. Sloane_, Aug 27 2006
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